Questions tagged [ethereum]

A blockchain-based "smart contract" system with a Turing-complete contract programming language. Questions about Ethereum can also be asked on the dedicated Ethereum site: https://ethereum.stackexchange.com.

I would like to connect the following rig (please see the photos) to a blockchain platform (I prefer a platform which is simpler to use :) ). Maybe this rig would not be appropriate for Bitcoin, but ...

I am creating a crypto-trading platform . I wanted to know how to create wallet address dynamically for all new registered user and also create new address for every transaction.
I am using bitcoind ...

My understanding of how a transaction is secured in blockchain, especially in bitcoin, is that the output of transaction data is locked to the recipient's address (a shorter version of his public key)....

The 12th of February 2017 numerai gave 1M NMR to 12K users.
NMR is based on ERC-20 (ethereum protocol). I was one of the lucky receivers. A few months later, crypto exchanges started trading with NMR ...

Bitcoin and Ethereum both use proof-of-work (PoW) consensus mechanism. One of differences between Bitcoin Pow and Ethereum PoW is difficulty level, meaning that while in bitcoin block generation rate ...

sorry for bad english, let's just say i want to embed specific price of coin for example ethereum and bitcoin $20 price in my website, in other words it shows $20 rate of btc and eth on my website not ...

can a blockchain ever get a 'virus', that continually replicates itself, continues paying for gas (if on the ethereum network) and survives/self-replicates through the blockchain, similar to viruses ...

Bitcoin's block time is about 10 minutes while that of Ethereum is 15 secs. Both are using PoW at this moment, right? How come Ethereum's block time is so short compared to Bitcoin? Is hashing a lot ...

In Proof of Stake system, is there a block reward for creating a block? Is the reward much smaller than PoW based system? Or under the system, all coins are already distributed and the block producer'...

I am interested how bitcoin managed to prevent 51% attack in the beginning?
I am about to create my own coin and i want miners to mine blocks. but The problem is I am afraid 51% attack might destroy ...

I understand that bitcoin has a fixed block size (1MB).
On the other hand, Etherenum does not seem to have a fixed gas limit.
(https://ethereum.stackexchange.com/questions/1106/is-there-a-limit-for-...

I believe the answer to be no, but just asking here to confirm.
I think the answer is that it is just the software interacting with the address that is ERC20 compatible or not, not the actual address....

I am a beginner in mining algorithms and I have a general question regarding the mining using Java language.
Does it make sense to use Java to develop for example ETHASH algorithm (or any other) and ...

if my private key is 123456789123456789, doesn't that mean I have to dot G point that many times to generate my pubkey? there must be a shortcut to generate pubkey, otherwise the time complicity of ...

I am trying to understand what the idea behing a site like ETHLend is.
IIUC, I can borrow coins for an interest, the same way I could borrow a traditional currency from a bank. That part is easy to ...

I want to burn some token of user which I have assigned during my ICO, but when I calling burnForm function of contract then it is not working . I am using code as below
MyToken newAB = MyToken.load(...

I understand that each of Ethereum addresses in Trezor represents standalone Ethereum account. But doesn't this bring problems with sharing funds between your accounts? If 100 people send me 1eth on ...

Can you please help me to find a wallet that provides API for multiple currencies such as: BTC, ETH, XMR, BCH, LTC, DASH.
I want to create new address for each of the currencies and check if there is ...

The Ethereum ERC20 token is also the contract. The token can never live without the contract. The name of the contract is the name of the token. In the code, the keyword is contract and not token.
I ...

Is it possible for a company to raise funds through an ICO even if it is not a startup? For example: Say company X manufactures chocolates but now it wants to further expand its operations and needs ...

I know one platform is owned by a company, block.one which owns 10% of all EOS tokens, I'm aware of their ICO structure and it seems their tokens are used as a sort of API token - some have called the ...

So new I cant even afford to trade crypto's yet, but looking and learning. I came across some Ethereum Code bot, promising 13k a day etc etc...one of those "sounds to good to be true" things really.
...

I am planning to run a Coin's ICO for several years, not interested in the gains to be made from selling out ICO in 3 days NO, but interested in using the COin to end Global Poverty as i deem fit. So ...